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晶棒法.
晶棒法
晶棒法,又称为碘化物精炼法,或以开发者为名的范·亚克-德·波耳制程,是1925年两位荷兰化学家安东·范·亚克(英语:Anton Eduard van Arkel)以及扬·德·波耳(英语:Jan Hendrik de Boer)所开发的金属精炼方法。[1] 晶棒法是最早能够商业化制造高纯度延性锆的工业制程。晶棒法也可以小量生产超高纯度的钛(或锆)。晶棒法的概念牵涉到用气相碘去跟低纯度的金属作反应产生气相碘化物,碘化物飘向加热灯丝后受热分解出高纯度的金属。晶棒法今已多被克罗尔法取代。
^van Arkel, A. E.; de Boer, J. H. Darstellung von reinem Titanium-, Zirkonium-, Hafnium- und Thoriummetall. Zeitschrift für anorganische und allgemeine Chemie. 1925, 148 (1): 345–350. doi:10.1002/zaac.19251480133(德语).
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